diff --git a/backend/pom.xml b/backend/pom.xml
index 848550d..73deb84 100644
--- a/backend/pom.xml
+++ b/backend/pom.xml
@@ -55,6 +55,13 @@
   	 <version>2.12.1</version>
   	</dependency>
   	
+  	<!-- https://mvnrepository.com/artifact/io.quarkus/quarkus-agroal -->
+	<dependency>
+	    <groupId>io.quarkus</groupId>
+	    <artifactId>quarkus-agroal</artifactId>
+	    <version>3.19.3</version>
+	</dependency>
+	
   </dependencies>
   
   <build>
diff --git a/backend/src/main/java/net/miarma/contaminus/common/ConfigManager.java b/backend/src/main/java/net/miarma/contaminus/common/ConfigManager.java
index 8de8b3e..cda7f71 100644
--- a/backend/src/main/java/net/miarma/contaminus/common/ConfigManager.java
+++ b/backend/src/main/java/net/miarma/contaminus/common/ConfigManager.java
@@ -61,6 +61,14 @@ public class ConfigManager {
         }
     }
 
+    public String getJdbcUrl() {
+		return String.format("%s://%s:%s/%s",
+				config.getProperty("db.protocol"),
+				config.getProperty("db.host"),
+				config.getProperty("db.port"),
+				config.getProperty("db.name"));
+	}
+    
     public String getStringProperty(String key) {
         return config.getProperty(key);
     }
diff --git a/backend/src/main/java/net/miarma/contaminus/database/DatabaseManager.java b/backend/src/main/java/net/miarma/contaminus/database/DatabaseManager.java
index 3653f66..4991120 100644
--- a/backend/src/main/java/net/miarma/contaminus/database/DatabaseManager.java
+++ b/backend/src/main/java/net/miarma/contaminus/database/DatabaseManager.java
@@ -18,22 +18,27 @@ import net.miarma.contaminus.common.Constants;
 
 public class DatabaseManager {
     private final JDBCPool pool;
+    private final Vertx vertx = Vertx.vertx();
     
-	public DatabaseManager(Vertx vertx) {
+    private static DatabaseManager instance;
+    
+    public static DatabaseManager getInstance() {
+		if (instance == null) {
+			instance = new DatabaseManager();
+		}
+		return instance;
+	}
+    
+	private DatabaseManager() {
         ConfigManager config = ConfigManager.getInstance();
-        
-        JDBCConnectOptions jdbcOptions = new JDBCConnectOptions()
-			.setJdbcUrl(config.getStringProperty("db.protocol") + "//" +
-							config.getStringProperty("db.host") + ":" +
-							config.getStringProperty("db.port") + "/" +
-							config.getStringProperty("db.name"))
-			.setUser(config.getStringProperty("db.user"))
-			.setPassword(config.getStringProperty("db.pwd"));
-
-        PoolOptions poolOptions = new PoolOptions()
-			.setMaxSize(Integer.parseInt(config.getStringProperty("db.poolSize")));
-			
-        pool = JDBCPool.pool(vertx, jdbcOptions, poolOptions);
+        pool = JDBCPool.pool(vertx,
+        	new JDBCConnectOptions()
+        		.setJdbcUrl(config.getJdbcUrl())
+        		.setUser(config.getStringProperty("db.user"))
+        		.setPassword(config.getStringProperty("db.pwd")),
+        	new PoolOptions()
+        		.setMaxSize(5)
+		);
     }
 	
 	public Future<RowSet<Row>> testConnection() {
diff --git a/backend/src/main/java/net/miarma/contaminus/server/DataLayerAPIVerticle.java b/backend/src/main/java/net/miarma/contaminus/server/DataLayerAPIVerticle.java
index 900ddc3..94aabc8 100644
--- a/backend/src/main/java/net/miarma/contaminus/server/DataLayerAPIVerticle.java
+++ b/backend/src/main/java/net/miarma/contaminus/server/DataLayerAPIVerticle.java
@@ -29,9 +29,9 @@ public class DataLayerAPIVerticle extends AbstractVerticle {
     public void start(Promise<Void> startPromise) {
 		Constants.LOGGER.info("📡 Iniciando DataLayerAPIVerticle...");
 		
-		configManager = ConfigManager.getInstance();
+		configManager = ConfigManager.getInstance();		
 		gson = new GsonBuilder().setDateFormat("yyyy-MM-dd").create();
-		dbManager = new DatabaseManager(vertx);
+		dbManager = DatabaseManager.getInstance();
 		
 		Router router = Router.router(vertx);
 	    Set<HttpMethod> allowedMethods = new HashSet<>(
diff --git a/backend/src/main/java/net/miarma/contaminus/server/LogicLayerAPIVerticle.java b/backend/src/main/java/net/miarma/contaminus/server/LogicLayerAPIVerticle.java
index 41efc38..a1a6de9 100644
--- a/backend/src/main/java/net/miarma/contaminus/server/LogicLayerAPIVerticle.java
+++ b/backend/src/main/java/net/miarma/contaminus/server/LogicLayerAPIVerticle.java
@@ -32,7 +32,7 @@ public class LogicLayerAPIVerticle extends AbstractVerticle {
 
     	configManager = ConfigManager.getInstance();
 		gson = new GsonBuilder().setDateFormat("yyyy-MM-dd").create();
-		dbManager = new DatabaseManager(vertx);
+		dbManager = DatabaseManager.getInstance();
 		
         Router router = Router.router(vertx);
 	    Set<HttpMethod> allowedMethods = new HashSet<>(
diff --git a/backend/src/main/java/net/miarma/contaminus/server/MainVerticle.java b/backend/src/main/java/net/miarma/contaminus/server/MainVerticle.java
index 4602987..83abb02 100644
--- a/backend/src/main/java/net/miarma/contaminus/server/MainVerticle.java
+++ b/backend/src/main/java/net/miarma/contaminus/server/MainVerticle.java
@@ -8,32 +8,18 @@ import io.vertx.core.ThreadingModel;
 public class MainVerticle extends AbstractVerticle {
 	
 	@Override
-	public void start(Promise<Void> startPromise) {
+	public void start(Promise<Void> startPromise) {		
 	    final DeploymentOptions options = new DeploymentOptions();
 	    options.setThreadingModel(ThreadingModel.WORKER);
-	    	    
-	    String enabledVerticles = System.getProperty("vertx.options", "");
-	    	    
-	    if (enabledVerticles.contains("data")) {
-	        getVertx().deployVerticle(new DataLayerAPIVerticle(), options);
-	    }
-	    if (enabledVerticles.contains("business")) {
-	        getVertx().deployVerticle(new LogicLayerAPIVerticle(), options);
-	    }
-	    if (enabledVerticles.contains("web")) {
-	        getVertx().deployVerticle(new HttpServerVerticle());
-	    }
+	    
+	    getVertx().deployVerticle(new DataLayerAPIVerticle(), options);
+	    //getVertx().deployVerticle(new LogicLayerAPIVerticle(), options);
+	    //getVertx().deployVerticle(new HttpServerVerticle());
 	}
 	
 	@Override
 	public void stop(Promise<Void> stopPromise) throws Exception {
 		getVertx().deploymentIDs()
 			.forEach(v -> getVertx().undeploy(v));
-	}
-	
-	public static void main(String[] args) {
-	    System.setProperty("vertx.options", String.join(",", args));
-	    io.vertx.core.Launcher.executeCommand("run", MainVerticle.class.getName());
-	}
-	
+	}	
 }
\ No newline at end of file
diff --git a/backend/src/main/java/net/miarma/contaminus/util/SystemUtil.java b/backend/src/main/java/net/miarma/contaminus/util/SystemUtil.java
index f1cc2a1..d69d3e5 100644
--- a/backend/src/main/java/net/miarma/contaminus/util/SystemUtil.java
+++ b/backend/src/main/java/net/miarma/contaminus/util/SystemUtil.java
@@ -7,9 +7,9 @@ public class SystemUtil {
 	static ConfigManager configManager = ConfigManager.getInstance();
 	static String host = configManager.getStringProperty("inet.host");
 	static String origin = configManager.getStringProperty("inet.origin");
-	static int dataApiPort = configManager.getIntProperty("data-api.port");
-	static int logicApiPort = configManager.getIntProperty("logic-api.port");
-	static int webserverPort = configManager.getIntProperty("webserver.port");
+	static int dataApiPort = 8081;
+	static int logicApiPort = 8082;
+	static int webserverPort = 8080;
 	
 	public static String getHost() {
 		return host;
diff --git a/backend/src/main/resources/webroot/config/settings.json b/backend/src/main/resources/webroot/config/settings.json
index 58754ca..9570f6a 100644
--- a/backend/src/main/resources/webroot/config/settings.json
+++ b/backend/src/main/resources/webroot/config/settings.json
@@ -7,7 +7,7 @@
     },
     "appConfig": {
         "endpoints": {
-            "BASE_URL": "http://localhost:8081/api/v1",
+            "BASE_URL": "http://localhost:3001/api/v1",
             "GET_GROUPS": "/groups",
             "GET_GROUP_BY_ID": "/groups/{0}",
             "GET_GROUP_DEVICES": "/groups/{0}/devices",